Knitter's Pride Smartstix interchangeable circular needles and needle cords allow you to create endless combinations of cord length and needle size
Smartstix Knitting Needles
Knitters Pride Dreamz Deluxe Interchangeable Needle Set
Knitter's Pride Zing 16 Special Interchangeable Circular Set
Knitter's Pride-SmartStix Deluxe Interchangeable Needles Set-Sizes 4/3.5mm To 11/8mm -KP170161
Smartstix Interchangeable Circular Needles
Knitter's Pride Smart Cords are designed to be used with the innovative new SmartStix Interchangeable Needle Tips, both of which feature marked 1
Knitter's Pride Smart Cords for SmartStix Interchangeable Knitting Needle Tips - Makes 47 Inch Circular Needle
Interchangeable Cord - Knitter's Pride — Starlight Knitting Society
Knitter's Pride Zing 16 Special Interchangeable Circular Set
Smartstix Interchangeable Circular Needles